<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>书城首页</title>
    <%-- 静态包含 base标签、css样式、jQuery文件 --%>
    <%@ include file="/pages/common/head.jsp"%>
    <link type="text/css" rel="stylesheet" href="static/css/style.css" >
    <script type="text/javascript">
        $(function () {
            //在事件响应的function函数中 有一个this对象 这个this对象 是当前正在响应事件的dom对象
            //给加入购物车按钮绑定单击事件
            $("button.addCart").click(function () {
                var  bookId = $(this).attr("bookId");
                //location.href ="${pageScope.basePath}cartServlet?action=addItem&id="+bookId;
                //发ajax请求 添加商品到购物车
                $.getJSON("http://localhost:8080/login_war/cartServlet","action=ajaxAddItem&id="+bookId,function (data) {
                    $("#cartTotalCount").text("你购物车中有"+data.totalCount+"件商品");
                    $("#cartLastName").text(data.lastName);
                })
            })
        })
    </script>
</head>
<body>

<div id="header">
    <img class="logo_img" alt="" src="static/img/logo.gif" >
    <span class="wel_word">网上书城</span>
    <div>
<%--        如果已经登录 则显示 登录成功之后的用户信息--%>
        <c:if test="${not empty sessionScope.user}">
            <span>欢迎<span class="um_span">${sessionScope.user.username}</span>光临小谢书城</span>
            <a href="pages/order/order.jsp">我的订单</a>
            <a href="userServlet?action=logout">退出</a>&nbsp;&nbsp;
        </c:if>
        <a href="pages/cart/cart.jsp">购物车</a>
        <a href="pages/manager/manager.jsp">后台管理</a> |&nbsp;&nbsp;
<%--        如果用户没有登录 则显示 登录菜单--%>
        <c:if test="${empty sessionScope.user}">
            <a href="pages/user/login.jsp">登录</a>
        </c:if>
    </div>
</div>
<div id="main">
    <div id="book">
        <div class="book_cond">
            <form action="client/bookServlet" method="get">
                <input type="hidden" name="action" value="pageByPrice"></input>
                价格：<input id="min" type="text" name="min" value="${param.min}"> 元 -
                <input id="max" type="text" name="max" value="${param.max}"> 元
                <input type="submit" value="查询" />
            </form>
        </div>
        <div style="text-align: center">
<%--    购物车为空时输出--%>
            <c:if test="${empty sessionScope.cart.items}">
<%--                <div>--%>
<%--                    <span style="color: red">当前购物车为空</span>--%>
<%--                </div>--%>
            </c:if>
<%--  购物车不为空时输出--%>
            <c:if test="${not empty sessionScope.cart.items}">
                <span id="cartTotalCount">您的购物车中有${sessionScope.cart.totalCount}件商品</span>
                <div>
                    您刚刚将<span style="color: red" id="cartLastName">${sessionScope.lastName}</span>加入到了购物车中
                </div>
            </c:if>

        </div>
        <c:forEach items="${requestScope.page.items}" var="book">
            <div class="b_list">
                <div class="img_div">
                    <img class="book_img" alt="" src="${book.imgPath}" />
                </div>
                <div class="book_info">
                    <div class="book_name">
                        <span class="sp1">书名:</span>
                        <span class="sp2">${book.name}</span>
                    </div>
                    <div class="book_author">
                        <span class="sp1">作者:</span>
                        <span class="sp2">${book.author}</span>
                    </div>
                    <div class="book_price">
                        <span class="sp1">价格:</span>
                        <span class="sp2">￥${book.price}</span>
                    </div>
                    <div class="book_sales">
                        <span class="sp1">销量:</span>
                        <span class="sp2">${book.sales}</span>
                    </div>
                    <div class="book_amount">
                        <span class="sp1">库存:</span>
                        <span class="sp2">${book.stock}</span>
                    </div>
                    <div class="book_add">
                        <button bookId =${book.id} class="addCart">加入购物车</button>
                    </div>
                </div>
            </div>
        </c:forEach>
    </div>
    <%@include file="/pages/common/page_nav.jsp"%>

</div>


<%@include file="/pages/common/footer.jsp"%>

</body>
</html>